CVE-2021-26943: asus ux360ca_bios
Vulnerability summary
CVE-2021-26943 is a high (CVSS 8.2) vulnerability in asus ux360ca_bios. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.2% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 31-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.94%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
0.00 pp
From 0.94% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (asus.com)
Maturity: unknown
Exploit Reference (youtube.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Asus1 product
- ux360ca_bios< 304
1 vendor · 1 product